Redmine

I get following error afther running, bundle exec rake db:migrate RAILS_ENV=production

/usr/share/redmine$ bundle exec rake db:migrate RAILS_ENV=production
rake aborted!
NameError: uninitialized constant Redmine::FieldFormat::Base::CustomField
/usr/share/redmine/lib/redmine/field_format.rb:90:in `field_attributes'
/usr/share/redmine/lib/redmine/field_format.rb:93:in `<class:Base>'
/usr/share/redmine/lib/redmine/field_format.rb:50:in `<module:FieldFormat>'
/usr/share/redmine/lib/redmine/field_format.rb:21:in `<module:Redmine>'
/usr/share/redmine/lib/redmine/field_format.rb:20:in `<top (required)>'
/usr/share/redmine/lib/redmine.rb:40:in `<top (required)>'
/usr/share/redmine/config/initializers/30-redmine.rb:6:in `<top (required)>'
/usr/share/redmine/config/environment.rb:14:in `<top (required)>'
/var/lib/gems/2.3.0/gems/rake-11.2.2/exe/rake:27:in `<top (required)>'
Tasks: TOP => db:migrate => environment
(See full trace by running task with --trace)

any ideas ?